Move BackgroundContents to the directory in which it belongs.

chrome/browser/tab_contents/background_contents.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
-#define CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
-
-#include <string>
-
-#include "base/memory/scoped_ptr.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/web_contents_delegate.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "ui/base/window_open_disposition.h"
-
-class Profile;
-
-namespace content {
-class SessionStorageNamespace;
-class SiteInstance;
-};
-
-// This class consumes WebContents. It can host a renderer, but does not
-// have any visible display.
-class BackgroundContents : public content::WebContentsDelegate,
-                           public content::WebContentsObserver,
-                           public content::NotificationObserver {
- public:
-  class Delegate {
-   public:
-    // Called by AddNewContents(). Asks the delegate to attach the opened
-    // WebContents to a suitable container (e.g. browser) or to show it if it's
-    // a popup window. If |was_blocked| is non-NULL, then |*was_blocked| will be
-    // set to true if the popup gets blocked, and left unchanged otherwise.
-    virtual void AddWebContents(content::WebContents* new_contents,
-                                WindowOpenDisposition disposition,
-                                const gfx::Rect& initial_pos,
-                                bool user_gesture,
-                                bool* was_blocked) = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  BackgroundContents(
-      content::SiteInstance* site_instance,
-      int routing_id,
-      int main_frame_routing_id,
-      Delegate* delegate,
-      const std::string& partition_id,
-      content::SessionStorageNamespace* session_storage_namespace);
-  ~BackgroundContents() override;
-
-  content::WebContents* web_contents() const { return web_contents_.get(); }
-  virtual const GURL& GetURL() const;
-
-  // content::WebContentsDelegate implementation:
-  void CloseContents(content::WebContents* source) override;
-  bool ShouldSuppressDialogs(content::WebContents* source) override;
-  void DidNavigateMainFramePostCommit(content::WebContents* tab) override;
-  void AddNewContents(content::WebContents* source,
-                      content::WebContents* new_contents,
-                      WindowOpenDisposition disposition,
-                      const gfx::Rect& initial_pos,
-                      bool user_gesture,
-                      bool* was_blocked) override;
-  bool IsNeverVisible(content::WebContents* web_contents) override;
-
-  // content::WebContentsObserver implementation:
-  void RenderProcessGone(base::TerminationStatus status) override;
-
-  // content::NotificationObserver
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
- protected:
-  // Exposed for testing.
-  BackgroundContents();
-
- private:
-  // The delegate for this BackgroundContents.
-  Delegate* delegate_;
-
-  Profile* profile_;
-  scoped_ptr<content::WebContents> web_contents_;
-  content::NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(BackgroundContents);
-};
-
-// This is the data sent out as the details with BACKGROUND_CONTENTS_OPENED.
-struct BackgroundContentsOpenedDetails {
-  // The BackgroundContents object that has just been opened.
-  BackgroundContents* contents;
-
-  // The name of the parent frame for these contents.
-  const base::string16& frame_name;
-
-  // The ID of the parent application (if any).
-  const base::string16& application_id;
-};
-
-#endif  // CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_